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тАО05-06-2010 01:13 AM
тАО05-06-2010 01:13 AM
swap memory
We have SuSE Linux 9.0 on a old system.
Recently we had few problems with this system. The system becomes unresponsive regularly. Then we hard boot and the sytem come back again.
We suspect its a memory issue. It has 500 MB Phy RAM and 1 GB of swap. But most of the time the free memory is in the range of 50 MB - 8 MB. We also noticed that the system is not at all using the SWAP space allotted.
Here are the facts,
# cat /etc/fstab
/dev/hda3 / ext3 acl,user_xattr 1 1
/dev/hda1 /boot ext2 acl,user_xattr 1 2
/dev/hda4 /usr ext3 acl,user_xattr 1 2
/dev/hda2 swap swap pri=42 0 0
devpts /dev/pts devpts mode=0620,gid=5 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs noauto 0 0
# free -m
total used free shared buffers cached
Mem: 494 486 7 0 97 132
-/+ buffers/cache: 256 238
Swap: 1027 0 1027
# cat /proc/swaps
Filename Type Size Used Priority
/dev/hda2 partition 1052248 0 42
Do you also think that its the memory/swap issue?
If yes then how do we make the system use the swap space?
Please suggest.
Thanx,
admin
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тАО05-06-2010 02:35 AM
тАО05-06-2010 02:35 AM
Re: swap memory
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тАО05-06-2010 09:30 AM
тАО05-06-2010 09:30 AM
Re: swap memory
Regarding the use of swap, you can change that throught /proc/sys/vm/swappiness, but if anything you would want a low value there so the system uses as few swap as possible, as long as it's not really needed.
Long story short: your issues have nothing to do with the amount of free memory, or at least not with the memory usage you have posted.
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тАО05-06-2010 11:33 AM
тАО05-06-2010 11:33 AM
Re: swap memory
If the system is totally unresponsive, then you may have a hardware problem, you should check the messages file and dmesg output.
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тАО09-01-2010 11:24 PM
тАО09-01-2010 11:24 PM